Botany 2024

BALOCHISTAN PUBLIC SERVICE COMMISSION

WRITTEN EVALUATION TEST FOR RECRUITMENT TO THE POST(S) OF

LECTURER (B-17)

IN THE COLLEGES, HIGHER AND TECHNICAL EDUCATION DEPARTMENT

BOTANY (MALE/FEMALE)

TIME ALLOWED: THREE HOURS 23-Aug-24

NOTE:

i. Question No. 1 is COMPULSORY. Attempt two questions each from Section-I and Section-II.

All questions carry equal marks.

ii. All the parts of one of each Question must be attempted at one place instead of at different places.

iii. Candidate must write Q. No. in the Answer Book in accordance with Q. No. in the Q. Paper.

iv. No Page/Space be left blank between the answers. All the blank pages of Answer Book must be crossed.

Q-1

(A) Select the correct answer. (10)

i) Tubular elongation of epidermal cells are:

a) Root hair

b) Adventitious hair

c) Tap root

d) Tendril

ii) In this type of inflorescence, the main axis continues its growth until last flower is formed at

its apex:

a) Cyme

b) Spadix

c) Racemose

d) Corymb

iii) The original type specimen of a species which has been indicated by the author is:

a) Lectotype

b) Holotype

c) Neotype

d) Isotype

iv) A narrow region encircles the columella. This region contains spores and:

a) Elaters

b) Pseudoelaters

c) Spore

d) Tubes

v) Adventitious root system is found in:

a) Gymnosperm

b) Bryophytes

c) Dicots

d) Pteridophytes

vi) The hybrid contains unique information as compared to either parent such an organism is

called:

a) Allopolyploidy

b) Autopolyploidy

c) Autopolyploidy

d) Euploidy

vii) The kind of evolution during which new forms of life evolved replacing the old one is called:

a) Micro evolution

b) Macro evolution

c) Organic evolution

d) Inorganic evolution

viii) The transfer of allele between population through interbreeding is called:

a) Founder effect

b) Genetic drift

c) Gene pool

d) Gene flow

ix) The falling of leaves, flowers and fruit is called:

a) Apical dominance

b) Leaf senescence

c) Abscission

d) Fruit setting

x) The light energy used to synthesize NADPH and:

a) Glucose

b) Rubisco

c) Starch

d) ATP

P.T.O